RSR was founded by CEO Samuel M. Switzenbaum in 2011 and is an affiliate of Switzenbaum & Associates, a fully integrated real estate investment, development and management company with an emphasis today on investing in and developing multi-family apartments. Switzenbaum & Associates was established in 1995 by Mr. Switzenbaum and today Switzenbaum & Associates has built an extensive portfolio worth over $250 million institutional investment grade assets.

Prior to that, Samuel Switzenbaum completed a successful tenure, as Vice Chairman and one of the principal owners, at the merged companies of Strouse Greenberg & Co./Rubin Organization, now known as the Pennsylvania Real Estate Investment Trust, or PREIT (NYSE: PEI). Prior to the merger, Mr. Switzenbaum headed one of the largest private real estate companies in the nation, managing an all-asset class portfolio exceeding $1 billion as President and CEO of Strouse Greenberg.